Home / 1,006,740.55-1,389,307.85-547,858.72

Finding the Fourth Proportional to 1,006,740.55, 1,389,307.85 and 547,858.72

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Solution

The fourth proportional to 1,006,740.55, 1,389,307.85 and 547,858.72 is: 756,048.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,740.55 : 1,389,307.85 = 547,858.72 : x
  2. Step 2: Convert to fraction form
    1,006,740.55/1,389,307.85 = 547,858.72/x
  3. Step 3: Cross multiply
    1,006,740.55x = 1,389,307.85 × 547,858.72
  4. Step 4: Simplify right side
    1,006,740.55x = 761,144,420,386.95
  5. Step 5: Solve for x
    x = 761,144,420,386.95/1,006,740.55
  6. Step 6: Final answer
    x = 756,048.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.